Finding the Fourth Proportional to 2,065.68, 3,099.36 and 1,091.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.68 : 3,099.36 = 1,091.52 : x
2. Step 2: Convert to fraction form
   2,065.68/3,099.36 = 1,091.52/x
3. Step 3: Cross multiply
   2,065.68x = 3,099.36 × 1,091.52
4. Step 4: Simplify right side
   2,065.68x = 3,383,013.43
5. Step 5: Solve for x
   x = 3,383,013.43/2,065.68
6. Step 6: Final answer
   x = 1,637.72